Socket



FIG. 1 is a front perspective view of a socket of my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawings are for the purpose of illustrating portions of the socket that form no part of the claimed design. 

CLAIM The ornamental design for a socket, as shown and described. 